Wideband Cylindrical Dielectric Resonator Antenna Operating in HEM<sub>11<i>δ</i></sub> Mode with Improved Gain: A Study of Superstrate and Reflector Plane

<div>It illustrates the effect of air-gap (<svg height="9.14241pt" id="M96" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -5.96091 11.0615 9.14241" width="11.0615pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M483 97L471 123C436 91 401 65 392 65C388 65 384 74 390 106C414 239 444 378 457 429L455 433C444 433 429 436 416 439C392 444 368 448 344 448C281 448 204 415 152 376C71 315 23 205 23 103C23 21 57 -12 85 -12C114 -12 149 6 185 34C231 70 285 119 329 183H331L309 81C292 0 308 -12 326 -12C350 -12 421 24 483 97ZM374 387C370 363 356 291 345 261C315 193 181 50 139 50C124 50 110 71 110 118C110 224 153 331 218 379C238 394 271 402 301 402C329 402 359 394 374 387Z" id="g113-98"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="506" vert-adv-y="506" xpluscharwidth="6.578"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,5.993,3.132)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z" id="g50-51"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="487" vert-adv-y="487" xpluscharwidth="10.42468539"></glyph.data></g></svg>) on bandwidth and gain.</div>

International Journal of Antennas and Propagation

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Figure 10

Figure 10: Wideband Cylindrical Dielectric Resonator Antenna Operating in HEM<sub>11<i>δ</i></sub> Mode with Improved Gain: A Study of Superstrate and Reflector Plane 

International Journal of Antennas and Propagation

Wideband Cylindrical Dielectric Resonator Antenna Operating in HEM11δ Mode with Improved Gain: A Study of Superstrate and Reflector Plane

Figure 10

Wideband Cylindrical Dielectric Resonator Antenna Operating in HEM_11δ Mode with Improved Gain: A Study of Superstrate and Reflector Plane